aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/dma/s3c24xx-dma.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/dma/s3c24xx-dma.c')
-rw-r--r--drivers/dma/s3c24xx-dma.c13
1 files changed, 2 insertions, 11 deletions
diff --git a/drivers/dma/s3c24xx-dma.c b/drivers/dma/s3c24xx-dma.c
index 2f91da3db836..01dcaf21b988 100644
--- a/drivers/dma/s3c24xx-dma.c
+++ b/drivers/dma/s3c24xx-dma.c
@@ -749,11 +749,6 @@ unlock:
749 return ret; 749 return ret;
750} 750}
751 751
752static int s3c24xx_dma_alloc_chan_resources(struct dma_chan *chan)
753{
754 return 0;
755}
756
757static void s3c24xx_dma_free_chan_resources(struct dma_chan *chan) 752static void s3c24xx_dma_free_chan_resources(struct dma_chan *chan)
758{ 753{
759 /* Ensure all queued descriptors are freed */ 754 /* Ensure all queued descriptors are freed */
@@ -1238,7 +1233,7 @@ static int s3c24xx_dma_probe(struct platform_device *pdev)
1238 if (!s3cdma->phy_chans) 1233 if (!s3cdma->phy_chans)
1239 return -ENOMEM; 1234 return -ENOMEM;
1240 1235
1241 /* aquire irqs and clocks for all physical channels */ 1236 /* acquire irqs and clocks for all physical channels */
1242 for (i = 0; i < pdata->num_phy_channels; i++) { 1237 for (i = 0; i < pdata->num_phy_channels; i++) {
1243 struct s3c24xx_dma_phy *phy = &s3cdma->phy_chans[i]; 1238 struct s3c24xx_dma_phy *phy = &s3cdma->phy_chans[i];
1244 char clk_name[6]; 1239 char clk_name[6];
@@ -1266,7 +1261,7 @@ static int s3c24xx_dma_probe(struct platform_device *pdev)
1266 sprintf(clk_name, "dma.%d", i); 1261 sprintf(clk_name, "dma.%d", i);
1267 phy->clk = devm_clk_get(&pdev->dev, clk_name); 1262 phy->clk = devm_clk_get(&pdev->dev, clk_name);
1268 if (IS_ERR(phy->clk) && sdata->has_clocks) { 1263 if (IS_ERR(phy->clk) && sdata->has_clocks) {
1269 dev_err(&pdev->dev, "unable to aquire clock for channel %d, error %lu", 1264 dev_err(&pdev->dev, "unable to acquire clock for channel %d, error %lu\n",
1270 i, PTR_ERR(phy->clk)); 1265 i, PTR_ERR(phy->clk));
1271 continue; 1266 continue;
1272 } 1267 }
@@ -1290,8 +1285,6 @@ static int s3c24xx_dma_probe(struct platform_device *pdev)
1290 dma_cap_set(DMA_MEMCPY, s3cdma->memcpy.cap_mask); 1285 dma_cap_set(DMA_MEMCPY, s3cdma->memcpy.cap_mask);
1291 dma_cap_set(DMA_PRIVATE, s3cdma->memcpy.cap_mask); 1286 dma_cap_set(DMA_PRIVATE, s3cdma->memcpy.cap_mask);
1292 s3cdma->memcpy.dev = &pdev->dev; 1287 s3cdma->memcpy.dev = &pdev->dev;
1293 s3cdma->memcpy.device_alloc_chan_resources =
1294 s3c24xx_dma_alloc_chan_resources;
1295 s3cdma->memcpy.device_free_chan_resources = 1288 s3cdma->memcpy.device_free_chan_resources =
1296 s3c24xx_dma_free_chan_resources; 1289 s3c24xx_dma_free_chan_resources;
1297 s3cdma->memcpy.device_prep_dma_memcpy = s3c24xx_dma_prep_memcpy; 1290 s3cdma->memcpy.device_prep_dma_memcpy = s3c24xx_dma_prep_memcpy;
@@ -1305,8 +1298,6 @@ static int s3c24xx_dma_probe(struct platform_device *pdev)
1305 dma_cap_set(DMA_CYCLIC, s3cdma->slave.cap_mask); 1298 dma_cap_set(DMA_CYCLIC, s3cdma->slave.cap_mask);
1306 dma_cap_set(DMA_PRIVATE, s3cdma->slave.cap_mask); 1299 dma_cap_set(DMA_PRIVATE, s3cdma->slave.cap_mask);
1307 s3cdma->slave.dev = &pdev->dev; 1300 s3cdma->slave.dev = &pdev->dev;
1308 s3cdma->slave.device_alloc_chan_resources =
1309 s3c24xx_dma_alloc_chan_resources;
1310 s3cdma->slave.device_free_chan_resources = 1301 s3cdma->slave.device_free_chan_resources =
1311 s3c24xx_dma_free_chan_resources; 1302 s3c24xx_dma_free_chan_resources;
1312 s3cdma->slave.device_tx_status = s3c24xx_dma_tx_status; 1303 s3cdma->slave.device_tx_status = s3c24xx_dma_tx_status;